| Acronym | Definition |
|---|
| FCBS | File Control Blocks |
| FCBS | Football Club Bords de Saône (French football club) |
| FCBS | Federació Catalana de Beisbol i Softbol (Catalan: Catalan Federation of Baseball and Softball) |
| FCBS | Florida Council of Bromeliad Societies |
| FCBS | Feilden Clegg Bradley Studios (est. 1978; UK) |
| FCBS | Family Cord Blood Services (California Cryobank) |
| FCBS | Fédération Camerounaise de Baseball et de Softball (French: Baseball and Softball Federation of Cameroon; Cameroon) |
| FCBS | Fatigue Critical Baseline Structure (aircraft engineering) |
| FCBS | Family-Centered Behavior Scale |